345460 has 24 divisors (see below), whose sum is σ = 758016. Its totient is φ = 132000.

The previous prime is 345451. The next prime is 345461. The reversal of 345460 is 64543.

It is a super-2 number, since 2×345460² = 238685223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (31584).

2³⁴⁵⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379008).

345460 is an abundant number, since it is smaller than the sum of its proper divisors (412556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345460 is a wasteful number, since it uses less digits than its factorization.

345460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345460 is about 587.7584537886. The cubic root of 345460 is about 70.1669484539.

The spelling of 345460 in words is "three hundred forty-five thousand, four hundred sixty".